If i agree the theymos is the government agent ., then actually what will be the problem ?
that would mean a government agent has the ability to read or modify any bitcointalk data. They could be donig very bad things with this, especially since government hate things like bitcoin which give u back the personal freedoms they try to take from u. maybe you post a bitcoin address here to receive 10,000BTC for pizza and theymos just changes it and steals money to illegal fund war in Iraq.
Well if he really was what you say he is, yeah i guess he could be doing that but i still didnt see any conclusive proof of him being what you claim him to be